The raw materials are carbon dioxide and water; the energy source is sunlight, and chlorophyll is an essential pigment in the presence of which alone light energy from the sun can be converted to chemical energy; and the end-products are oxygen and (energy rich) carbohydrates, for example sucrose, glucose and starch.he raw materials are carbon dioxide and water; the energy source is sunlight, and chlorophyll is an essential pigment in the presence of which alone light energy from the sun can be converted to chemical energy; and the end-products are oxygen and (energy rich) carbohydrates, for example sucrose, glucose and starch.
Definition of stroganoff - a dish in which the central ingredient, typically strips of beef, is cooked in a sauce containing sour cream. Definition of stroganoff - a dish in which the central ingredient, typically strips of beef, is cooked in a sauce containing sour cream.
Beef top round steak is generally a tougher cut and lacks in flavor. If you wish to use top round, I recommend cooking it for 1 to 1-1/2 hours over very low heat. Typically, Beef Stroganoff is made with more tender beef cuts, which decreases the cooking time to 30-40 minutes.